433mhz/868mhz wireless indoor keypad alarm system keypad

433mhz/868mhz wireless indoor keypad alarm system keypad DP-K07   Feature:   Product name: wireless keypad       Work power: Three AAA batteries       Standby current: ≤30uA       Emission current: ≤20mA       Tag quantity that keypad support: 60pcs       Wireless distance: ≥80M (open area, no interference)        Wireless frequency: 868/433Mhz        Shell material: ABS plastic        Working condition: Temperature: -10℃~55℃ Humidity: 80%RH (no condensation)        Size(length*width*height): 138*89*17mm
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